#define  _CRT_SECURE_NO_WARNINGS 1

#include <stdio.h>

int main()
{
    double a = 0;
    double b = 0;
    char c = 0;

    scanf("%lf%c%lf", &a, &c, &b);

    switch (c)
    {
    case '+':
        printf("%.4lf+%.4lf=%.4lf\n", a, b, a + b);
        break;
    case '-':
        printf("%.4lf-%.4lf=%.4lf\n", a, b, a - b);
        break;
    case '*':
        printf("%.4lf*%.4lf=%.4lf\n", a, b, a * b);
        break;
    case '/':
        if (b == 0)
        {
            printf("Wrong!Division by zero!\n");
        }
        else
            printf("%.4lf/%.4lf=%.4lf\n", a, b, a / b);
        break;
    default:
        printf("Invalid operation!\n");
        break;
    }


    return 0;